body {
    font-size: 14px;
    color: #666;
    font-family: "Microsoft YaHei", "微软雅黑", Helvetica, Tahoma, STXihei, "华文细黑", STHeiti, "Helvetica Neue", Helvetica, Tahoma, "Droid Sans", "wenquanyi micro hei", FreeSans, Arimo, Arial, SimSun, "宋体", Heiti, "黑体", sans-serif;
    background: #f9f9f9;
    text-align: center;
}

.body_container {
    padding: 0 60px;
    max-width: 1000px;
    margin: 0 auto;
}

#layout {
    text-align: left;
}

#layout>header, .btns {
    padding: 15px 0;
    width: 90%;
    margin: 0 auto;
}

#layout>header>h1 {
    font-size: 20px;
    margin-bottom: 10px;
}

.submit_title {
    width: 500px;
    height: 40px;
    font-size: 18px;
    margin-left: 50px;
    padding: 5px;
}

.submit_btn {
    width: 80px;
    height: 40px;
    font-size: 18px;
    margin-left: 50px;
}

.submit_cat {
    width: 150px;
    height: 40px;
    font-size: 18px;
    padding: 5px;
    margin-left: 50px;
}

.add_cata {
    font-size: 30px;
    font-weight: bold;
    margin-left: 8px;
}

div.catas {
    display: inline;
    float: right;
}

.catas li {
    list-style: none;
    border: 1px solid #ddd;
    padding: 10px;
    font-size: 16px;
    margin-top: 10px;
    white-space: nowrap;
}

div.index_blogs {
    float: left;
    display: inline;
    width: 930px;
    margin-top: 10px;
}

div.index_blog {
    border: 1px solid #ddd;
    float: left;
    display: inline;
    width: 95%;
    padding: 10px;
    margin-bottom: 20px;
}

.index_blog_title {
    float: left;
    font-size: 20px;
    text-decoration:none;
    color:#000;
    display: inline;
}

.index_blog_modify {
    float: right;
    display: inline;
}

.index_blog_pre {
    font-size: 18px;
    margin-top: 50px;
    width: 100%;
    text-align:left;
}